@import 'c.css';
@import 'c.css';
#root{
    font-family: serif, serif;
}
.nihao{
    font-size: 18px;
    color: #fffggg;
    width: calc(8px -4px);
    content: "first
    second";
    line-height: 100pixels;
    heigth: 100px;
    color: red;
    background-repeat: repeat;
}
a{}
a:hoverr{
    width: auto;
}
a::pseudo{
    height: auto;
}
tag{
    color: red;
}
@media screen and (unkonw){
    font-size: 16px;
}
@unknown {
    width: auto;
}
/**/
#second p{
    color: red;
}
p{
    color: blue;
}
